Linkage report

modules/purchase_trade/tests/test_module.py

@@ -6506,6 +6506,84 @@ class PurchaseTradeTestCase(ModuleTestCase):
         self.assertIn('80.000 USD/MT', shipment.report_linkage_pricing_input_prices)
         self.assertIn('100.000 USD/MT', shipment.report_linkage_pricing_input_prices)
 
+    def test_lotqt_linkage_helpers_use_single_matching(self):
+        'lot.qt linkage helpers expose only the selected matching'
+        LotQt = Pool().get('lot.qt')
+        lotqt = LotQt()
+
+        currency = SimpleNamespace(code='USD')
+        unit = SimpleNamespace(symbol='MT')
+        product = SimpleNamespace(
+            rec_name='Sulphuric Acid',
+            name='Sulphuric Acid',
+            code='H2SO4')
+        purchase = SimpleNamespace(
+            id=1,
+            number='P-10',
+            reference='26.0001',
+            currency=currency,
+            party=SimpleNamespace(rec_name='SUPPLIER SA'),
+            to_location=SimpleNamespace(rec_name='Odda'),
+            incoterm=SimpleNamespace(code='FOB'),
+            operator=SimpleNamespace(rec_name='Operator A'))
+        sale = SimpleNamespace(
+            id=2,
+            number='S-20',
+            reference='26.0001',
+            currency=currency,
+            party=SimpleNamespace(rec_name='CLIENT SA'),
+            to_location=SimpleNamespace(rec_name='Mejillones'),
+            incoterm=SimpleNamespace(code='CFR'))
+        period = SimpleNamespace(rec_name='Chile FY26')
+        purchase_line = SimpleNamespace(
+            id=11,
+            product=product,
+            purchase=purchase,
+            quantity_theorical=Decimal('100'),
+            quantity=Decimal('100'),
+            unit_price=Decimal('80'),
+            unit=unit,
+            price_type='fixed',
+            del_period=period,
+            period_at='laycan',
+            from_del=datetime.date(2026, 4, 30),
+            to_del=datetime.date(2026, 5, 8),
+            fees=[],
+            mtm=[])
+        sale_line = SimpleNamespace(
+            id=12,
+            product=product,
+            sale=sale,
+            quantity_theorical=Decimal('100'),
+            quantity=Decimal('100'),
+            unit_price=Decimal('100'),
+            unit=unit,
+            price_type='fixed',
+            del_period=period,
+            period_at='laycan',
+            from_del=datetime.date(2026, 4, 30),
+            to_del=datetime.date(2026, 4, 30),
+            fees=[],
+            mtm=[])
+        lotqt.lot_p = SimpleNamespace(id=101, line=purchase_line)
+        lotqt.lot_s = SimpleNamespace(id=102, sale_line=sale_line)
+        lotqt.lot_shipment_in = SimpleNamespace(
+            bl_date=datetime.date(2026, 4, 30),
+            fees=[])
+
+        self.assertEqual(
+            lotqt.report_linkage_title, 'Linkage P-10/S-20 26.0001')
+        self.assertEqual(lotqt.report_linkage_desk, 'Sulphuric Acid')
+        self.assertEqual(lotqt.report_linkage_book, 'H2SO4 Chile FY26')
+        self.assertEqual(
+            lotqt.report_linkage_bl_date, 'Thursday, April 30, 2026')
+        self.assertIn('Purchases', lotqt.report_linkage_summary_groups)
+        self.assertIn('Sales', lotqt.report_linkage_summary_groups)
+        self.assertIn('P-10', lotqt.report_linkage_movement_references)
+        self.assertIn('S-20', lotqt.report_linkage_movement_references)
+        self.assertIn('80.000 USD/MT', lotqt.report_linkage_pricing_input_prices)
+        self.assertIn('100.000 USD/MT', lotqt.report_linkage_pricing_input_prices)
+
     def test_shipment_insurance_contact_surveyor_prefers_shipment_surveyor(self):
         'insurance contact surveyor property uses shipment surveyor first'
         ShipmentIn = Pool().get('stock.shipment.in')